Well tool having latching mechanism and method of utilizing the same

Patent · Tue Dec 09 04:00:00 EST 1986

OSTI ID:7041393

MacLaughlin, S T

A tester tool is described for controlling fluid flow through a pipe string disposed in a well comprising: a first valve housing portion having a first engagement shoulder defined therein; a second valve housing portion having a second engagement shoulder defined therein, the second valve housing portion slidably connected with the first valve housing portion; a valve member movably retained within the first and second housing portions; and latch means, slidably disposed adjacent the first and second housing portions, for moving, in response to an applied pressure, between an unlatched position, wherein the first and second housing portions can move relative to each other, and a latched position, wherein the first and second housing portions are latched to prevent relative movement, the latch means having third and fourth engagement shoulders defined therein for engaging the first and second engagement shoulders when the latch means is moved by the applied pressure to the latched position.

• Assignee: Halliburton Co., Duncan, OK
• Patent Number(s): US 4627492
• OSTI ID: 7041393
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
CONTROL
CONTROL EQUIPMENT
DRILL PIPES
DRILLING EQUIPMENT
EQUIPMENT
FASTENERS
FLOW REGULATORS
OIL WELLS
PIPES
PRESSURE CONTROL
VALVES
WELLS